Husqvarna 73930600 Centerlock Nut, 3/8-16UNC For Husqvarna/Poulan/Roper/Craftsman/Weed Eater Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater 73930600 Centerlock Nut, 3/8-16UNC Centerlock Nut, 3/8-16UNC Replacement part for many brands including Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater Original equipment manufacturer replacement part 1-year warranty for defects in material or workmanship